Aggregating content

Hey all,

I have a website on taking care of dogs, and I have aggregated many really high authority articles from healthline etc. and credited the source at the bottom of the article. My question is -

1) How will this impact my standing with google? Will it be counted as plagiarism?
2) Is crediting the source a must? If yes, are there right and wrong ways of doing it?
3) If I want to rewrite this article, how do I know that the rewriting is good enough to be considered original?

Thank you for helping a noob!

May the force be with you all.

Having same article from other source will be considered definitely a duplicate . Your niche so big its harder to achive anything.

Here one link may will help you.

https://www.blackhatworld.com/seo/method-creating-quality-content-without-spending-much.1140505/

Thanks Purush. Agreed about the niche - it was just a hypothetical example. When you say it will be counted as duplicate, does that mean it will affect my site negatively? Or does it just mean that my page (the one with the copied content) would never be ranked , without affecting my other pages?

Also, the refrenced thread is epic, but what is a PDF accumulator?